CN201774392U - Hollow heat dissipation shaft motor - Google Patents
Hollow heat dissipation shaft motor Download PDFInfo
- Publication number
- CN201774392U CN201774392U CN2010202175154U CN201020217515U CN201774392U CN 201774392 U CN201774392 U CN 201774392U CN 2010202175154 U CN2010202175154 U CN 2010202175154U CN 201020217515 U CN201020217515 U CN 201020217515U CN 201774392 U CN201774392 U CN 201774392U
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- liquid storage
- axle
- heat radiation
- rotor
- hollow heat
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Abstract
The utility model provides a hollow heat dissipation shaft motor, which improves the cooling capacity of the motor and guarantees the work of a rotor and magnetic steel at a lower temperature. The hollow heat dissipation shaft motor is implemented through the following technical scheme that: the hollow heat dissipation shaft motor comprises a shell component, a stator component and a rotor component, wherein the shell component comprises a tubular shell; the stator component and the rotor component are positioned in the cavity of the shell; the rotor component comprises a shaft and a rotor core which is arranged at the periphery of the shaft; the shaft is a hollow heat dissipation shaft; a liquid storage cavity is formed in body wall of the shaft; the middle part of the shaft is provided with a cavity; a liquid storage passage which is hermetically communicated with the liquid storage cavity is formed in the rotor core; and super heat conducting liquid is positioned in a closed passage which is formed by the liquid storage cavity and the liquid storage passage. At least one end of the cavity on the middle part of the shaft is provided with a heat dissipation fan.
Description
Technical field
The invention belongs to the technical field of motor, be specifically related to the cooling system of motor, especially a kind of hollow heat radiation spindle motor.
Background technology
1) motor of using on vehicle is essential to satisfy strict performance requirement, thereby the restriction that meanwhile also will adapt to size and weight guarantees that they can be adapted at using in the vehicle.When motor when wherein one type performance strengthens, the design standard conflict make usually produce at other aspect of performance of equal importance not enough.For example, it is essential compact and in light weight to be used to the motor that drives in pure electric automobile, and more to have enough power and accelerate to the speed that internal combustion engine can produce to make automobile rapidly, and, provide between enough driver's compartment.In addition, for really can be for the user saves cost, electric motor of automobile must be when moving under extreme ambient temperature, thereby provide suitable performance to demonstrate its durability and reliability.
2) owing to need export big power from compact, light unit, accumulation of heat takes place in motor easily that use on the vehicle.And the thermogenesis component of motor is in inside, and for example rotor can not be cooled off usually effectively.On the contrary, the heat that motor internal produces is positioned in arrival before the cooling-part of electric machine casing periphery, and transmission will be by a plurality of heat insulating elements that comprise the air gap usually, and consequently many critical components reach very high temperature in the routine operation process.
3) the critical component magnet steel of permanent magnet machine rotor, magnet steel generally is a Nd-Fe-Bo permanent magnet material, and very high remanent magnetism (Br) and very big coercive force (Hc) are at room temperature arranged, but that its weak point is a Curie temperature is lower, is generally 310～410 ℃; Temperature coefficient is higher, and the temperature coefficient of Br is-0.13%/K the temperature coefficient of Hci-(0.6～0.7) %/K.Thereby when at high temperature using, cause its magnetic property thermal stability relatively poor.In order to stablize its magnetic property it is worked under lower temperature.Therefore, it is in demand providing a kind of system that can improve the motor radiating ability.Thereby the internal temperature that reduces vehicular electric machine like this improves their efficient and increases their reliability and useful life again, reduces their overall operation cost simultaneously.
In the prior art, the designing technique personnel of motor cooling structure continue to use tradition cooling design view and read, effective cooling that the rotor part direct mode of no use of general motor internal is carried out, the heat of internal rotor accumulation is more, the temperature of rotor block is higher, magneto particularly, higher rotor block temperature are unfavorable for keeping magnetic property stable of magnet steel, also are unfavorable for improving the power density of motor.
Summary of the invention
The purpose of this utility model is to provide a kind of hollow heat radiation spindle motor, improves the cooling capacity of motor, and assurance rotor and magnet steel are worked at a lower temperature.
The utility model is achieved through the following technical solutions:
Hollow heat radiation spindle motor includes cabinet parts, stator component and rotor part; Described cabinet parts includes duct-like casing, and stator component and rotor part are arranged in the inner chamber of casing; Described rotor part includes axle and is installed on the rotor core of a periphery, and wherein: described axle is a kind of hollow heat radiation axle, in the body wall of described axle, is provided with liquid storage cylinder; The middle part of described axle is a cavity; Rotor core inside is provided with and the airtight liquid storage passage that is communicated with of described liquid storage cylinder, and the superconduction hot liquid is arranged in the airtight passage of described liquid storage cylinder and the formation of liquid storage passage.
At least one end of the cavity at described axle middle part is provided with radiator fan.
To sum up, the beneficial effects of the utility model are:
Hollow heat radiation spindle motor of the present utility model is owing in the body wall of axle, be provided with liquid storage cylinder; The middle part of described axle is a cavity; Rotor core inside is provided with and the airtight liquid storage passage that is communicated with of described liquid storage cylinder, and heat-conducting liquid is arranged in the airtight passage of described liquid storage cylinder and the formation of liquid storage passage.Heat during machine operation on the magnet steel passed on the radiating tube rapidly by the superconduction hydrothermal solution in several seconds zero point, the fan that is fixed on the motor shaft end when the moving commentaries on classics of motor also rotates simultaneously, radiating tube inside has just produced axial cooling air like this, flow air is taken away the heat on the radiating tube, the temperature of motor critical component magnet steel and the overall operation temperature rise of motor have been reduced, improve the magnetic property of magnet steel, also improved the operational efficiency and the reliability of motor simultaneously.
The superconduction hot liquid itself is a kind of medium of heat transfer, and like the means of transportation that is energy, but heat transfer rate is the hundred times of common metal.
The superconduction hot liquid has hundreds and thousands of kinds, is owing to the difference that needs, and the branch of low temperature, middle temperature, high temperature is arranged.Just need extremely low boiling point to conduct heat in the subzero heat exchange, if be used for superconducting radiator, the medium that just needs 20～30 degree to start; If be used for domestic heating, scope five or six ten spend to 100 the degree about, then available 40～55 the degree phase transformations superconducting fluid; If be used for oven dry, just need the above phase-change material of 100～300 degree to do medium.According to different needs, prepare with different materials, just can reach predetermined effect
The superconduction hot liquid is a kind of flash heat transfer high efficient heat exchanging new technology, is widely used in the heating baking pyrogenicity refrigeration machining of industrial agricultural machinery chemical industry, waste heat recovery, hot house, a plurality of fields such as solar energy. superconducting fluid has organic solution, and inorganic solution has inorganic mixed solution.
The utility model adopts superconduction hydrothermal solution technology, the heat-transfer rate of superconduction hot liquid is the hundred times of common metal, the so very fast heat that work drive motor internal rotor thermal source is produced has been sent on the radiating tube, thereby improve the cooling capacity of motor greatly, assurance rotor and magnet steel (neodymium iron boron) are worked at a lower temperature.
Description of drawings
Fig. 1 is the overall structure schematic diagram of the utility model hollow heat radiation spindle motor;
Fig. 2 is the structural representation of the rotor part embodiment one of the utility model hollow heat radiation spindle motor;
Fig. 3 is the structural representation of the rotor part embodiment two of the utility model hollow heat radiation spindle motor;
Fig. 4 is the structural representation of the axle of the utility model hollow heat radiation spindle motor;
Fig. 5 is that the A of Fig. 4 is to schematic diagram;
Fig. 6 is the cross-sectional view of the radiating tube of the utility model hollow heat radiation spindle motor;
Fig. 7 is the side-looking structural representation of the radiating tube of the utility model hollow heat radiation spindle motor;
Fig. 8 is the cross-sectional view of the rotor core of the utility model hollow heat radiation spindle motor;
Fig. 9 is the side-looking structural representation of the rotor core of the utility model hollow heat radiation spindle motor.
Description of reference numerals:
1, axle, 2, rotor core, 3, radiator fan, 4, radiating tube, 5, magnet steel, 6, stator component, 7, casing, 8, the superconduction hot liquid, 9, heat pipe, 10, trim ring.11, inlet, 12, liquid outlet, 13, liquid storage cylinder, 14, end cap, 21, rotor punching, 41, fin, 42, cavity, 91, passage of heat.
Embodiment
The utility model discloses a kind of hollow heat radiation spindle motor, as Fig. 1, includes cabinet parts, stator component 6 and rotor part; Described cabinet parts includes duct-like casing 7, and stator component 6 and rotor part are arranged in the inner chamber of casing 7; Described rotor part includes axle 1 and is installed on the rotor core 2 of axle 1 periphery, and wherein: described axle 1 is a kind of hollow heat radiation axle, in the body wall of described axle 1, is provided with liquid storage cylinder; The middle part of described axle 1 is a cavity; Rotor core 2 inside are provided with and the airtight liquid storage passage that is communicated with of described liquid storage cylinder, and superconduction hot liquid 8 is arranged in the airtight passage of described liquid storage cylinder and the formation of liquid storage passage.
At least one end of the cavity at described axle 1 middle part is provided with radiator fan 3.
Preferably, the both ends of the cavity at described 1 middle part all are provided with radiator fan 3.
The inner chamber of described casing 7 has front opening and open rearward end, and two end caps 14 are with front opening and open rearward end and airtight.
Embodiment one:
As Fig. 2,4,5,9, in the present embodiment, in the body wall of described axle 1, along axially being provided with liquid storage cylinder 13, described liquid storage cylinder 13 is that the front and back ends that the pipe-like cavity of annular runs through the body wall of described axle 1 forms for more than one liquid storage hole or cross section, and described liquid storage cylinder 13 is provided with inlet 11 and liquid outlet 12.
Described rotor core 2 is formed by multi-disc rotor punching 21 stack combinations; Rotor core 2 inside are provided with and the described liquid storage cylinder 13 airtight heat pipes that are communicated with 9, and described heat pipe 9 is communicated with inlet 11 and liquid outlet 12.
As Fig. 1,6,7, in the middle cavities of described axle 1, be provided with radiating tube 4, liquid storage cylinder 13 is between the internal face of the axle 1 of radiating tube 4.
Present embodiment adopts superconduction hot liquid cooling structure, in the cavity that fan, axle, heat pipe, rotor core, radiating tube surrounded, fill the superconduction hot liquid, the very fast heat that the work drive motor internal heat resource is produced of superconduction hot liquid has been sent on the radiating tube, radiating tube under the effect of fan, very fast heat radiation.
Embodiment two:
As Fig. 3,4,5,6,7, in the present embodiment, be that with embodiment one difference the periphery of rotor core 2 is provided with magnet steel 5, the two ends of magnet steel 5 are provided with trim ring 10, magnet steel 5 and trim ring 10 surrounds and forms with closed cavity, and rotor core 2 is arranged in described closed cavity, and gapped at interval between rotor core 2 and magnet steel 5, the trim ring 10, described interstitial site is provided with passage of heat 91, and described passage of heat 91 is communicated with inlet 11 and liquid outlet 12.
Preferably, described passage of heat 91 runs through the front and back ends of described rotor punching for being embedded in a plurality of separate liquid storage through hole 23 between rotor punching 21 and the magnet steel 5.
Present embodiment adopts superconduction hot liquid cooling structure, at fan, axle, trim ring, magnet steel, fill the superconduction hot liquid in the cavity that rotor core surrounded, the cooling system of this motor comprises axle with holes, the rotor core of band liquid storage through hole, fan, the radiating tube of band radiating ribs, the magnet steel that NdFeB material is made, rotor core, the conductive fluid that superconduction heat energy power is arranged, heat during machine operation on the magnet steel passes on the radiating tube rapidly by the superconduction hydrothermal solution, the fan that is fixed on the motor shaft two ends when the moving commentaries on classics of motor also rotates simultaneously, radiating tube inside has just produced axial cooling air like this, flow air is taken away the heat on the radiating tube, the temperature of motor critical component magnet steel and the overall operation temperature rise of motor have so just been reduced, improve the magnetic property of magnet steel, also improved the operational efficiency and the reliability of motor simultaneously.
Above-mentioned listed specific implementation is nonrestrictive, can be included as circle, square, triangle etc. as: quill shaft radiating tube.To one skilled in the art, in not departing from the utility model scope, various improvement and the variation carried out all belong to protection range of the present utility model.
Claims (10)
1. hollow heat radiation spindle motor includes cabinet parts, stator component (6) and rotor part; Described cabinet parts includes duct-like casing (7), and stator component (6) and rotor part are arranged in the inner chamber of casing (7); Described rotor part includes axle (1) and is installed on the rotor core (2) of axle (1) periphery, it is characterized in that: described axle (1) in the body wall of described axle (1), is provided with liquid storage cylinder for a kind of hollow heat radiation axle; The middle part of described axle (1) is a cavity; Rotor core (2) inside is provided with and the airtight liquid storage passage that is communicated with of described liquid storage cylinder, and superconduction hot liquid (8) is arranged in the airtight passage of described liquid storage cylinder and the formation of liquid storage passage.
2. hollow heat radiation spindle motor according to claim 1, it is characterized in that: at least one end of the cavity at described axle (1) middle part is provided with radiator fan (3).
3. hollow heat radiation spindle motor according to claim 2, it is characterized in that: the both ends of the cavity at described axle (1) middle part all are provided with radiator fan (3).
4. according to claim 1 or 2 or 3 described hollow heat radiation spindle motors, it is characterized in that: the inner chamber of described casing (7) has front opening and open rearward end, and two end caps (14) are with front opening and open rearward end and airtight.
5. according to claim 1 or 2 or 3 described hollow heat radiation spindle motors, it is characterized in that: in the body wall of described axle (1), along axially being provided with liquid storage cylinder (13), described liquid storage cylinder (13) is that the front and back ends that the pipe-like cavity of annular runs through the body wall of described axle (1) forms for more than one liquid storage hole or cross section, and described liquid storage cylinder (13) is provided with inlet (11) and liquid outlet (12).
6. hollow heat radiation spindle motor according to claim 5, it is characterized in that: described rotor core (2) is formed by multi-disc rotor punching (21) stack combinations; Rotor core (2) inside is provided with and the airtight heat pipe that is communicated with of described liquid storage cylinder (13) (9), and described heat pipe (9) is communicated with inlet (11) and liquid outlet (12).
7. according to claim 1 or 2 or 3 described hollows heat radiation spindle motors, it is characterized in that: in the middle cavities of described axle (1), be provided with radiating tube (4), liquid storage cylinder (13) is positioned between the internal face of axle (1) of radiating tube (4).
8. hollow heat radiation spindle motor according to claim 7, it is characterized in that: described radiating tube (4) is the hollow form pipeline, and the middle part of radiating tube (4) is cavity (42), and the inner chamber wall of radiating tube (4) is provided with multi-disc fin (41).
9. hollow heat radiation spindle motor according to claim 5, it is characterized in that: the periphery of described rotor core (2), be provided with magnet steel (5), the two ends of magnet steel (5) are provided with trim ring (10), magnet steel (5) and trim ring (10) surround and form with closed cavity, rotor core (2) is arranged in described closed cavity, and it is gapped at interval between rotor core (2) and magnet steel (5), the trim ring (10), described interstitial site is provided with passage of heat (91), and described passage of heat (91) is communicated with inlet (11) and liquid outlet (12).
10. hollow heat radiation spindle motor according to claim 9, it is characterized in that: described passage of heat (91) runs through the front and back ends of described rotor punching for being embedded in a plurality of separate liquid storage through hole (23) between rotor punching (21) and the magnet steel (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202175154U CN201774392U (en) | 2010-06-02 | 2010-06-02 | Hollow heat dissipation shaft motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202175154U CN201774392U (en) | 2010-06-02 | 2010-06-02 | Hollow heat dissipation shaft motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201774392U true CN201774392U (en) | 2011-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202175154U Expired - Fee Related CN201774392U (en) | 2010-06-02 | 2010-06-02 | Hollow heat dissipation shaft motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201774392U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441594A (en) * | 2013-09-02 | 2013-12-11 | 南京磁谷科技有限公司 | Motor rotor |
| CN103899633A (en) * | 2012-12-28 | 2014-07-02 | 永元电机(苏州)有限公司 | Motor spindle capable of dissipating heat |
| CN103986279A (en) * | 2014-05-21 | 2014-08-13 | 深圳先进技术研究院 | Motor and electric vehicle with same |
| CN105656248A (en) * | 2016-03-08 | 2016-06-08 | 联想(北京)有限公司 | Motor, fan device and electronic device |
| CN103986279B (en) * | 2014-05-21 | 2016-11-30 | 深圳先进技术研究院 | Motor and there is the electric vehicle of this motor |
| CN106329780A (en) * | 2015-06-26 | 2017-01-11 | 岳克森 | Hollow shaft motor, motor cooling system and superconductive electricity storing back-up system |
| CN107846094A (en) * | 2017-12-26 | 2018-03-27 | 宁波菲仕电机技术有限公司 | A kind of rotor with cooling device |
| CN110492640A (en) * | 2019-07-03 | 2019-11-22 | 南京越博动力系统股份有限公司 | The rotor and motor of motor |
| CN111384795A (en) * | 2018-12-27 | 2020-07-07 | 广州汽车集团股份有限公司 | Electric machine |
| DE102019208039A1 (en) * | 2019-06-03 | 2020-12-03 | Zf Friedrichshafen Ag | Electric machine with a rotor cooling device |
| CN116959851A (en) * | 2023-09-20 | 2023-10-27 | 广东尚朋电磁科技有限公司 | Wide-temperature high-frequency low-loss soft magnetic ferrite element, production process and equipment |
-
2010
- 2010-06-02 CN CN2010202175154U patent/CN201774392U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103899633B (en) * | 2012-12-28 | 2016-12-28 | 永元电机(苏州)有限公司 | The motor spindle that can dispel the heat |
| CN103899633A (en) * | 2012-12-28 | 2014-07-02 | 永元电机(苏州)有限公司 | Motor spindle capable of dissipating heat |
| CN103441594B (en) * | 2013-09-02 | 2015-12-02 | 南京磁谷科技有限公司 | A kind of rotor |
| CN103441594A (en) * | 2013-09-02 | 2013-12-11 | 南京磁谷科技有限公司 | Motor rotor |
| CN103986279B (en) * | 2014-05-21 | 2016-11-30 | 深圳先进技术研究院 | Motor and there is the electric vehicle of this motor |
| CN103986279A (en) * | 2014-05-21 | 2014-08-13 | 深圳先进技术研究院 | Motor and electric vehicle with same |
| CN106329780A (en) * | 2015-06-26 | 2017-01-11 | 岳克森 | Hollow shaft motor, motor cooling system and superconductive electricity storing back-up system |
| CN105656248A (en) * | 2016-03-08 | 2016-06-08 | 联想(北京)有限公司 | Motor, fan device and electronic device |
| US10508654B2 (en) | 2016-03-08 | 2019-12-17 | Lenovo (Beijing) Limited | Apparatus, system, and device for cooling |
| CN107846094A (en) * | 2017-12-26 | 2018-03-27 | 宁波菲仕电机技术有限公司 | A kind of rotor with cooling device |
| CN111384795A (en) * | 2018-12-27 | 2020-07-07 | 广州汽车集团股份有限公司 | Electric machine |
| DE102019208039A1 (en) * | 2019-06-03 | 2020-12-03 | Zf Friedrichshafen Ag | Electric machine with a rotor cooling device |
| CN110492640A (en) * | 2019-07-03 | 2019-11-22 | 南京越博动力系统股份有限公司 | The rotor and motor of motor |
| CN116959851A (en) * | 2023-09-20 | 2023-10-27 | 广东尚朋电磁科技有限公司 | Wide-temperature high-frequency low-loss soft magnetic ferrite element, production process and equipment |
| CN116959851B (en) * | 2023-09-20 | 2024-01-16 | 广东尚朋电磁科技有限公司 | Wide-temperature high-frequency low-loss soft magnetic ferrite element, production process and equipment |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110323 Termination date: 20120602 |